fig9

Figure 9. (A) Rate performance of the BPQD/TNS composite electrode at varied from 50 mA g^-1 to 2,000 mA g^-1 followed with a cycling performance at 100 mA g^-1; (B) The cycling performance of the BPQD/TNS composite electrode at a high current rate of 1,000 mA g^-1 between 0.005-3.0 V. Reproduced with permission^[124]. Copyright 2018, John Wiley and Sons; (C) Schematic illustration of the preparation procedure of L-BP-S by a liquid-phase laser-assisted exfoliation method with 8 ns pulse duration and a repetition rate of 10 Hz; (D) Cycling performance of the L-BP-S_hexane, L-BP-S_2-propanol, and L-BP-S_methanol electrodes at 1.0 A g^-1 between 0.001-3.0 V. Reproduced with permission^[125]. Copyright 2020, John Wiley and Sons; (E) Schematic illustrations of the preparation process of Co/Fe-based PBA@xBQ (x = 8, 10 and 12) through the coprecipitation method; (F) The cycling performance of the Fe-Co PBA@10BQ electrode at 0.5C, maintaining 70% capacity retention after 500 cycles. Reproduced with permission^[126]. Copyright 2023, Elsevier. BP: Black phosphorus; BPQDs: BP quantum dots; TNS: Ti₃C₂ nanosheets; PBA@xBQ: prussian blue analogue@BP quantum dots; ns: nanosecond.